Technology Front
Single- and Dual-Channel Comparators Boost Performance
Published: May 13,201425 Read
Diodes Incorporated introduced enhanced versions of the popular LMV331 and LMV393 single- and dual-channel comparators for use in battery-powered portable devices such as mobile phones and notebook PCs. These generalpurpose devices run at a lower voltage, draw less current and offer smaller package options than most industry-standard alternatives.
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Operating at a low voltage range of 2.7V to 5.5V, the comparators feature a
typical supply current at 5V of only 40μA for the LMV331 and 70μA for the
LMV393, and are cost-effective drop-in replacements that help reduce overall
system power consumption. The devices feature an extended operating
temperature range (-40ºC to +125ºC), making them compatible with industrial system designs.
The LMV393 dual-channel comparator is provided in the industry-standard SO-8 and MSOP-8 packages, while the single-channel LMV331 is offered in the spacesaving 5-pin SOT353 and SOT25 formats, helping to shrink circuit size in portable products.
To maximize flexibility, the comparators’ input common-mode voltage range
includes ground and extends from -0.1V to +2V while featuring an open collector output.
Features:
- Guaranteed 2.7V and 5.5V performance
- Operating temperature range (-40°C to +125°C)
- Low supply current 40 μA/comparator Typ
- Input Common Mode Voltage Range includes ground
- Open Collector Output for Maximums Flexibility
- SOT353, SOT25, MSOP-8, SO-8: Available in “Green” Molding
- Compound (No Br, Sb)
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)